Home / 97,577.88-134,660.14-55,135.56

Finding the Fourth Proportional to 97,577.88, 134,660.14 and 55,135.56

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Solution

The fourth proportional to 97,577.88, 134,660.14 and 55,135.56 is: 76,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,577.88 : 134,660.14 = 55,135.56 : x
  2. Step 2: Convert to fraction form
    97,577.88/134,660.14 = 55,135.56/x
  3. Step 3: Cross multiply
    97,577.88x = 134,660.14 × 55,135.56
  4. Step 4: Simplify right side
    97,577.88x = 7,424,562,228.58
  5. Step 5: Solve for x
    x = 7,424,562,228.58/97,577.88
  6. Step 6: Final answer
    x = 76,088.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.